mrsstantonslearners - Addition and subtraction

http://www.youtube.com/watch?v=BHr9l7eo_1c	http://www.youtube.com/watch?v=JM8SWHVKmYw
Number line strategy video	Adding in parts - tidy numbers video

http://www.youtube.com/watch?v=ZEVY7U22NtQ	http://www.youtube.com/watch?v=zZW0gwffOkk
Dont add subtract video	Problems like 73 + ? = 71

http://www.youtube.com/watch?v=UGhQi4e1CcU	http://www.youtube.com/watch?v=zLtGTs-rlfY
People's ages	Near doubles

http://www.youtube.com/watch?v=WJzer0flrvk http://www.youtube.com/watch?v=QQwmkw8VIaM	http://www.youtube.com/watch?v=j5YKVIZQY7k
When one number is near 100	Standard form - algorithms

http://www.youtube.com/watch?v=D9OPezb8LVc	http://www.youtube.com/watch?v=j5YKVIZQY7k
Subtraction in parts	Decomposition - subtraction algorithms

http://www.youtube.com/watch?v=Klt6JTEEfFs	http://www.youtube.com/watch?v=8MP3FPICFXQ
Saving hundreds	Adding with decimal fractions

	http://www.youtube.com/watch?v=go9fmBzIXXE
	Subtraction with tenths